Woody encroachment and forest degradation in sub-Saharan Africa's woodlands and savannas 1982-2006

E. T. A. Mitchard, C. M. Flintrop
2013 Philosophical Transactions of the Royal Society of London. Biological Sciences  
doi:10.1098/rstb.2012.0406 pmid:23878342 pmcid:PMC3720033 fatcat:awhswh424ngztgbszvybcq65u4